Home / 949,136.92-1,309,809-519,417.16

Finding the Fourth Proportional to 949,136.92, 1,309,809 and 519,417.16

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Solution

The fourth proportional to 949,136.92, 1,309,809 and 519,417.16 is: 716,795.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,136.92 : 1,309,809 = 519,417.16 : x
  2. Step 2: Convert to fraction form
    949,136.92/1,309,809 = 519,417.16/x
  3. Step 3: Cross multiply
    949,136.92x = 1,309,809 × 519,417.16
  4. Step 4: Simplify right side
    949,136.92x = 680,337,270,922.44
  5. Step 5: Solve for x
    x = 680,337,270,922.44/949,136.92
  6. Step 6: Final answer
    x = 716,795.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.